The answer is ammonium iron
Answer:
Our atmosphere is a mixture of gases that surround Earth. It is kept in place by the pull of Earth's gravity. If Earth was a much smaller planet, like Mercury or Pluto, its gravity would be to weak to hold a large atmosphere.
Explanation:
A is the correct awnser Beacuse it ether right kne
I think it is an oxygen atom, I am not completely sure though.
Answer:
Its mass and volume
Explanation:
Matter can be defined or described as anything that takes up space, and it is composed of miniscule particles called atoms. It must display the two properties of mass and volume.
